Yahoo Finance: Allows downloading past prices of stocks, bonds, and exchange traded options in Excel spreadsheet. We will use it to track prices, download data, and for researching. You may create your own portfolio and track them in (almost) real time. Here is an example calculation of the adjusted close prices of a security using our own Chicago GSB CRSP standard.

How to Read WSJ Tables? From Professor Wiilliam J. Trainor Jr.'s web page at Western Kentucky University. This is not the best presentation, but it covers almost all liquid instruments (stocks, bonds, mutual funds, options, and futures).

Want to research about Credit Card rates and rebates? Web pages of cardweb and theforums on creditcardgoodies.com are some good places to start. You can calculate your FICO score here from bankrate.com and here directly from myFICO.com.